Chaniang, S., W. Fongkaew, T. E. Stone, H. Sethabouppha, and S. Lirtmunlikaporn. “Development and Evaluation of a Suicide Prevention Program for Secondary School Students”. Pacific Rim International Journal of Nursing Research, vol. 23, no. 3, June 2019, pp. 201-13, https://he02.tci-thaijo.org/index.php/PRIJNR/article/view/144034.